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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/win/registry.h"
#include <cstring>
#include <vector>
#include "base/compiler_specific.h"
#include "base/stl_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace win {
namespace {
const wchar_t kRootKey[] = L"Base_Registry_Unittest";
class RegistryTest : public testing::Test {
public:
RegistryTest() {}
protected:
virtual void SetUp() OVERRIDE {
// Create a temporary key.
RegKey key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
key.DeleteKey(kRootKey);
ASSERT_NE(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, kRootKey, KEY_READ));
ASSERT_EQ(ERROR_SUCCESS, key.Create(HKEY_CURRENT_USER, kRootKey, KEY_READ));
}
virtual void TearDown() OVERRIDE {
// Clean up the temporary key.
RegKey key(HKEY_CURRENT_USER, L"", KEY_SET_VALUE);
ASSERT_EQ(ERROR_SUCCESS, key.DeleteKey(kRootKey));
}
private:
DISALLOW_COPY_AND_ASSIGN(RegistryTest);
};
TEST_F(RegistryTest, ValueTest) {
RegKey key;
std::wstring foo_key(kRootKey);
foo_key += L"\\Foo";
ASSERT_EQ(ERROR_SUCCESS, key.Create(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ));
{
ASSERT_EQ(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ | KEY_SET_VALUE));
ASSERT_TRUE(key.Valid());
const wchar_t kStringValueName[] = L"StringValue";
const wchar_t kDWORDValueName[] = L"DWORDValue";
const wchar_t kInt64ValueName[] = L"Int64Value";
const wchar_t kStringData[] = L"string data";
const DWORD kDWORDData = 0xdeadbabe;
const int64 kInt64Data = 0xdeadbabedeadbabeLL;
// Test value creation
ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(kStringValueName, kStringData));
ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(kDWORDValueName, kDWORDData));
ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(kInt64ValueName, &kInt64Data,
sizeof(kInt64Data), REG_QWORD));
EXPECT_EQ(3U, key.GetValueCount());
EXPECT_TRUE(key.HasValue(kStringValueName));
EXPECT_TRUE(key.HasValue(kDWORDValueName));
EXPECT_TRUE(key.HasValue(kInt64ValueName));
// Test Read
std::wstring string_value;
DWORD dword_value = 0;
int64 int64_value = 0;
ASSERT_EQ(ERROR_SUCCESS, key.ReadValue(kStringValueName, &string_value));
ASSERT_EQ(ERROR_SUCCESS, key.ReadValueDW(kDWORDValueName, &dword_value));
ASSERT_EQ(ERROR_SUCCESS, key.ReadInt64(kInt64ValueName, &int64_value));
EXPECT_STREQ(kStringData, string_value.c_str());
EXPECT_EQ(kDWORDData, dword_value);
EXPECT_EQ(kInt64Data, int64_value);
// Make sure out args are not touched if ReadValue fails
const wchar_t* kNonExistent = L"NonExistent";
ASSERT_NE(ERROR_SUCCESS, key.ReadValue(kNonExistent, &string_value));
ASSERT_NE(ERROR_SUCCESS, key.ReadValueDW(kNonExistent, &dword_value));
ASSERT_NE(ERROR_SUCCESS, key.ReadInt64(kNonExistent, &int64_value));
EXPECT_STREQ(kStringData, string_value.c_str());
EXPECT_EQ(kDWORDData, dword_value);
EXPECT_EQ(kInt64Data, int64_value);
// Test delete
ASSERT_EQ(ERROR_SUCCESS, key.DeleteValue(kStringValueName));
ASSERT_EQ(ERROR_SUCCESS, key.DeleteValue(kDWORDValueName));
ASSERT_EQ(ERROR_SUCCESS, key.DeleteValue(kInt64ValueName));
EXPECT_EQ(0U, key.GetValueCount());
EXPECT_FALSE(key.HasValue(kStringValueName));
EXPECT_FALSE(key.HasValue(kDWORDValueName));
EXPECT_FALSE(key.HasValue(kInt64ValueName));
}
}
TEST_F(RegistryTest, BigValueIteratorTest) {
RegKey key;
std::wstring foo_key(kRootKey);
foo_key += L"\\Foo";
ASSERT_EQ(ERROR_SUCCESS, key.Create(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ));
ASSERT_EQ(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ | KEY_SET_VALUE));
ASSERT_TRUE(key.Valid());
// Create a test value that is larger than MAX_PATH.
std::wstring data(MAX_PATH * 2, L'a');
ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(data.c_str(), data.c_str()));
RegistryValueIterator iterator(HKEY_CURRENT_USER, foo_key.c_str());
ASSERT_TRUE(iterator.Valid());
EXPECT_STREQ(data.c_str(), iterator.Name());
EXPECT_STREQ(data.c_str(), iterator.Value());
// ValueSize() is in bytes, including NUL.
EXPECT_EQ((MAX_PATH * 2 + 1) * sizeof(wchar_t), iterator.ValueSize());
++iterator;
EXPECT_FALSE(iterator.Valid());
}
TEST_F(RegistryTest, TruncatedCharTest) {
RegKey key;
std::wstring foo_key(kRootKey);
foo_key += L"\\Foo";
ASSERT_EQ(ERROR_SUCCESS, key.Create(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ));
ASSERT_EQ(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, foo_key.c_str(),
KEY_READ | KEY_SET_VALUE));
ASSERT_TRUE(key.Valid());
const wchar_t kName[] = L"name";
// kData size is not a multiple of sizeof(wchar_t).
const uint8 kData[] = { 1, 2, 3, 4, 5 };
EXPECT_EQ(5, arraysize(kData));
ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(kName, kData,
arraysize(kData), REG_BINARY));
RegistryValueIterator iterator(HKEY_CURRENT_USER, foo_key.c_str());
ASSERT_TRUE(iterator.Valid());
EXPECT_STREQ(kName, iterator.Name());
// ValueSize() is in bytes.
ASSERT_EQ(arraysize(kData), iterator.ValueSize());
// Value() is NUL terminated.
int end = (iterator.ValueSize() + sizeof(wchar_t) - 1) / sizeof(wchar_t);
EXPECT_NE(L'\0', iterator.Value()[end-1]);
EXPECT_EQ(L'\0', iterator.Value()[end]);
EXPECT_EQ(0, std::memcmp(kData, iterator.Value(), arraysize(kData)));
++iterator;
EXPECT_FALSE(iterator.Valid());
}
} // namespace
} // namespace win
} // namespace base
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